Mechanical Properties Evaluations of an Age Hardenable Martensitic Steel Deformed by Equal Channel Angular Pressing

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Abstract:

Effect of severe plastic deformation by equal channel angular pressing on the mechanical properties of an age hardenable low carbon martensitic steel was investigated. Equal channel angular pressing was carried out on the solution-annealed steel up to four passes at room temperature through the route Bc. Aging was carried out at 753 K for 2.4 ks. It was found that after four passes deformation, the microstructure is consist of fine grained high angle grain boundaries and lamellar dislocation cell block. The strength of steel is increased considerably while a increasing in elongation is revealed.

Keywords: EQUAL CHANNEL ANGULAR PRESSING; LOW CARBON MARTENSITIC STEEL; MECHANICAL PROPERTIES; ULTRAFINE GRAIN

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2010.2581

Publication date: September 1, 2010

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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